I need to use a magnetic valve and I want to switch it with a small relais. I found this relais.
It needs 5 V to switch and has a resistance of 130 Ohms, which gives a current of 38 mA. Can I connect this directly to an Arduino pin (diode of course included)? Or is it better to provide a transistor for switching the relais or even use a solid state relais?
Thanks for your opinions!